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  • All Metal, S-RT Free-Running Locknuts
  • All Metal, S-RT Free-Running Locknuts 2
PEM® RT® free-running locknuts are free-running until clamp load is induced. A modified thread angle on the loaded flank provides the vibration resistant locking feature.
  • Screw turns freely until a clamp load is applied.
  • Resistant to vibrational loosening.
  • Back side of panel is flush or sub-flush for screw installation.
  • Locking feature reusability is not affected by number of on/off cycles.
  • Uses same mounting hole and installation tooling as standard S™ nut fasteners found in PEM® Bulletin CL.
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Part #

Thread Size x Pitch

A (Shank) Max.

Hole Size in Sheet + 0.08

E ± 0.25

Fastener Material

Standard Finish

Optional Finish

CAD

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N/A M8 x 1.25 N/A 1.38 mm N/A 10.49 mm N/A 12.7 mm N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A M6 x 1 N/A 2.21 mm N/A 8.75 mm N/A 11.18 mm N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A M6 x 1 N/A 2.21 mm N/A 8.75 mm N/A 11.18 mm N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
N/A M8 x 1.25 N/A 2.21 mm N/A 10.49 mm N/A 12.7 mm N/A Hardened Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A N/A CAD Icon (for items table)
N/A M8 x 1.25 N/A 2.21 mm N/A 10.49 mm N/A 12.7 mm N/A Hardened Carbon Steel N/A N/A Zinc plated per ASTM B633, SC1 (5µm), Type II, yellow N/A CAD Icon (for items table)
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